常见例句He can only pay for gasper. 他只买得起廉价香烟。Gas Drainage Technology with Upward Hole Installed Gasper Casing Pipe in Dynamic Pressure District of Sublevel Caving Faces 放顶煤工作面仰斜钻孔安设透气套管抽放动压区瓦斯gasper air ventilation 乘客个人通风装置 返回 gasper